ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:07Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 5 ; 0 12 | = 132
17K
det| 9 4 ; 1 10 | = 86
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
2H₂ + O₂ → 2H₂O
det| 5 9 ; 7 6 | = -33
39K
10r² + 7r + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃